Chapter Radiation and Its Biological Effects History of radiation injury 1. European pitchblende miners a. Miners with lung diseases known as early as 1500 bv. Problem acute at end of the 19th century at pitchblende mines at Joachimsthal High incidence of lung cancer related to radon concentrations in poorly ventilated shafts (1) Up to 1939 nearly one half of total miners' deaths resulted from lung cancer (2) Latent period for induction of lung cancer about seventeen years Marly scientists working with ionizing radiation a. Radiation injury dates back to 1896, the year that Becquerel discovered radioactivity First known injuries from ionizing radiation skin burns on hands of workers using X-ray machines Radivm dial painters around period of World War I a. Injuries came from ingesting radium used in luminous paint b. Death sometimes occurred within about three years after ingestion from severe anemia, hemorrhages and from infections, particularly of the bones of the jaw fen DOW ARCHIVES-

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